having a gun or a type of weapon

A swimmer

"I got armed" | "Don't arm me" | "Doh! I got armed"
To be left hanging in the middle of a conversation on IRC

the act of getting fisted but instead with your whole arm

A descriptive term typically used in the context of describing one's environment and conjunctive to the presence of 'weapons' aka (lads that have mod haircuts, are decked out in pretty green clothing and walking around like the 'big'un'). It is the state of a location, often a pub, club or possibly shopping centre, in which said location is recognised to be unduly abound with lads of weapon-esque demeanour.

Having arms